Answer:
The answer is C.
Explanation:
Say you’re at 0 on the number line. You go forward 7 steps and backwards 7 steps. You arrive at 0. Therefore your answer would be C.
1) +9
2) -6
3) 0
4) 1
moving forward is a positive, moving in the opposite direction is a negative. So if you move 9 meters forward (9) and 0 in the opposite direction, and equation would look like this: 9-0
I hope this helps :)
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